Azbil FloWing VFR User Manual

Azbil Corporation Installation
Model VFR - FloWing Eccentric Rotary type Control Valves 1-3
1-3 : Inspecting and maintaining the
installed valve
Follow the procedures given below when inspecting or servicing an installed valve.
(1) Verify that there is no leak from the air piping.
(2) Verify that there are no loose clamping-bolts or nuts on the diaphragm case.
(3) Verify that there is no leak from the gland packing. Tighten the packing ange
nuts as required.
(4) Verify that there is no leak from the piping gaskets and check for loose clamping
bolts and nuts.
(5) To lubricate a valve which is equipped with a lubricator, proceed as follows:
Sqeeze screw
Lubricator handwheel
RC1/4
Figure 1-3 Lubricator
(a) Prepare the correct type of grease by referring to the grease number written on
the nameplate.
(b) Tightly close the lubricator handwheel.
(c) Remove the squeezer and apply grease.
(d) While opening, squeeze grease into the valve by rotating the squeezer.
(e) Repeat steps (b), (c) and (d) until grease in suciently fed into the valve.
Then, close the lubricator handwheel.

Azbil FloWing VFR Specifications

General

Brand	Azbil
Model	FloWing VFR
Category	Control Unit
Language	English